Unit Rates
Solve
Proportions
Proportions
Tables
This and That
Graphs
100
Lucas bought 6 red peppers for $5.40. Find the unit rate.
$0.90
100
Bill charges $120 for cleaning a house for 6 hours. How much would it be if he cleaned a house for 10 hours?
$200
100
What is the origin on a graph?
(0,0)
100
Not proportional
100
What are that 3 things that every proportional graph needs to have?
1. Origin point (0,0)
2. Straight Line
3. It has a multiplicative relationship.
200
12 donuts in 3 boxes = donuts per box
4 donuts per box
200
Better Buy:
a) 12 chocolate bars for $22
b) 20 chocolate bars for $33
b) 20 chocolate bars for $33
$1.65 for 1 chocolate bar
200
Complete the table
Miles 6 24 72
Min 5 20 x
x=60
Unit rate is 1.2
200
What is the unit rate? 
5
200
The unit rate is 3
300
Jacob drives 100 miles in 4 hours, what is the unit rate?
25 miles per hour
300
Better Buy:
a) 3 batteries for $4.80
b) 12 batteries for $14.76
b) 12 batteries for $14.76
$1.23 for each battery
300
Jayden and his family are planning a vacation that involves surf lessons. Surf lessons charge $15.95 an hour. Complete the table to determine the total cost for 1, 3, 5, and 10 hours.
1 $15.95
3 $47.85
5 $79.75
10 $159.50
300
If it takes 20 minutes for 100 people to get through the line, how many minutes will it take for 125 people to get through the line?
It will take 25 minutes
300
Is this graph proportional? 
No, because it doesn't pass through the origin.
400
There are 240 students in 8 classes, how many students are in each class?
30 students
400
Better Buy:
a) 5 calculators for $105
b) 24 calculators for $552
a) 5 calculators for $105
$21 for 1 calculator
400
Complete the table
Books x 96 144
Boxes 4 6 y
X=84
y=9
The unit rate is 16
400
Hillary earned $45 babysitting. If she babysat for 6 hours, what was her rate per hour?
What is $7.50?
400
The unit rate is 25
500
Honor listened to 9 songs in 36 minutes, how long is each song?
4 minutes
500
The toys cost $69.95 for 5 models. What is the unit rate for each model toy?
What is $13.99?
500
Complete the table
Tickets 9 4 X
Price Y $34 $102
X= $76.50
Y= 12
The Unit Rate is $8.50
500
If Vicente spends $34.25 on 5 books, at the same rate, how much would 12 books cost him? Round to the nearest cent.
$82.20
500
Which graph is proportional?
C